Find the word definition

Wiktionary
tinfoil hats

n. (plural of tinfoil hat English)

Usage examples of "tinfoil hats".

They were an oddly mixed lotsome were just filthy Blood freaks that somebody had dressed up in tinfoil hats and red monkey jackets, but others had the narrow faces and elegant dinner clothes of aristocracybut for some reason the faces of all the alert ones wore expressions of alarm as they returned Rivas's stare.